2133112311 has 24 divisors (see below), whose sum is σ = 3538179840. Its totient is φ = 1224752400.

The previous prime is 2133112301. The next prime is 2133112321. The reversal of 2133112311 is 1132113312.

2133112311 is a `hidden beast` number, since 21 + 331 + 1 + 2 + 311 = 666.

It is an interprime number because it is at equal distance from previous prime (2133112301) and next prime (2133112321).

It is not a de Polignac number, because 2133112311 - 2⁷ = 2133112183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133112301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565135 + ... + 568896.

It is an arithmetic number, because the mean of its divisors is an integer number (147424160).

Almost surely, 2^2133112311 is an apocalyptic number.

2133112311 is a deficient number, since it is larger than the sum of its proper divisors (1405067529).

2133112311 is a wasteful number, since it uses less digits than its factorization.

2133112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134067 (or 1134064 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 2133112311 is about 46185.6288362517. The cubic root of 2133112311 is about 1287.2747207061.

Adding to 2133112311 its reverse (1132113312), we get a palindrome (3265225623).

The spelling of 2133112311 in words is "two billion, one hundred thirty-three million, one hundred twelve thousand, three hundred eleven".